| 申请日期 | 2025-08-18 | 申请号 | US12411186 |
| 公开（公告）号 | US20090246464A1 | 公开（公告）日 | 2009-10-01 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Takashi WATANABE; Tatsuyuki NAKAOKA; Takero FUKUDOME; Shuichi TATENO; Hiroshi YOSHIMITSU | ||
| 简介 | A silicon nitride cutting tool comprising a sintered product is disclosed. The sintered product comprises silicon nitride, at least one rare earth element compound, and a magnesium compound. The silicon nitride cutting tool further comprises a surface region and an inside region comprising the sintered product with varying content ratios of component compounds to provide enhanced wear and fracture resistance. | ||
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